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%I #5 Mar 31 2012 12:37:14
%S 81,6561,165783,3227589,48992069,659747611,8138711727,95444167901,
%T 1083046694943,12066441712663,133097165591799,1461908430267595,
%U 16040101557258779,176117037501045883,1936527748635116761
%N Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically
%C Column 7 of A206936
%H R. H. Hardin, <a href="/A206935/b206935.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..1..1..0..1..1..0....1..0..0..1..1..0..1....1..1..1..0..0..1..0
%e ..0..1..1..0..0..1..0....0..0..1..0..1..0..0....0..1..0..1..1..0..1
%e ..1..0..0..1..1..1..0....1..1..0..0..1..1..0....0..0..1..0..0..1..0
%e ..0..0..1..0..0..1..0....0..0..1..1..0..0..1....1..1..0..0..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 13 2012